MapMaster is a fun and educational geography game where your mission is to pinpoint capitals, state capitals and famous places in countries around the world. Test yourself in one of the challenges or compete against your friends and family in a custom game where you can play up to 10 players on the same device.

Practice and learn Prealgebra and Algebra topics! Walk through step-by-step solutions to see where you made your mistake. See your stats for every problem type (saved across app runs). Work out problems without needing to take notes. Get math help wherever you are.

Introducing Android Design: The place to learn about principles, building blocks, and patterns for creating world-class Android user interfaces. Whether you're a UI professional or a developer playing that role, these docs show you how to make good design decisions, big and small.